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Ksju [112]
3 years ago
14

A signal is transmitted down the ________ of a nerve cell.

Biology
1 answer:
Anvisha [2.4K]3 years ago
5 0

Answer:

synapse

Explanation:

We know that nerve impulses, signals, must pass from cell to cell for a response to a given signal to occur. For this to happen, the presence of a specialized region called the synapse is required. Synapse is the structure that allows signals to be transmitted from one nerve cell to another.

Synapse can be defined as the region of proximity between the end of a neuron and a neighboring cell, where nerve impulses are transformed into chemical impulses due to the presence of chemical mediators.

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In any DNA molecule, the number of guanine bases will:______.
lubasha [3.4K]

Answer:

E

Explanation:

In DNA molecule, the number of guanine bases will always be equal to the number of cytosine bases. Genuine make a triple hydrogen bond with cytosine. That's why the number of guanine bases is equal to cytosine bases.

6 0
3 years ago
Solids will usually sink when placed in their own liquids. Which is an exception?
Marat540 [252]

WATER

Solids will usually sink when placed in their own liquids with the exception of water

Explanation:

Ice (the solid form of water) floats on water that is cooler than 4 degrees centigrade. This is unlike any other material and this phenomenon has been referred to as the ‘water anomaly’.

Most substances will sink in their own liquid because the solid form is denser than the amount of their own liquid that they displace when immersed. This is because the particles in the solid are closely packed together hence there are more particles per volume than in the liquid form.  

Water however, expands at temperatures below 4 degrees and hence ice is less dense than water at 4 degrees and below. The particles in ice are farther apart than particles of water at 4 degrees and below. There is, therefore, more particles per volume in the liquid form of water than in ice – making ice less dense.

Learn More:

For more on 'water anomaly' check out;

brainly.com/question/871737

#LearnWithBrainly

4 0
3 years ago
A member of the health care team is researching the etiology and pathogenesis of a number of clients who are under his care in a
hram777 [196]

Answer:

The correct answer is B. A client who has increasing serum ammonia levels due to liver cirrhosis

Explanation:

Etiology is the study of origin or cause of any disease. Pathogenesis is the mechanism of causing disease by any pathogen. Pathogens use four-step to become pathogenic which are contact, colonization, invasion, and infection.  

In pathogenesis the symptoms of disease is observed not the cause so in option B increasing serum ammonia level is the symptom of liver cirrhosis which characterize pathogenesis rather than etiology and in other option, only cause of a medical condition is described so the correct answer is B.

7 0
3 years ago
How can DNA be used to illustrate that evolution has occurred?
Alexxandr [17]

DNA can illustrate that evolution has occurred since in the process of natural selection advantegeous genes or traits have been selected to pass on through generations and further more evolve as long as the species survies and is successful in reproducing.

4 0
3 years ago
In your own words describe three key features of a fair test
Ainat [17]

Answer:

In a fair test two or more things are compared. In order for a test to be fair or scientifically sound, children are required to ensure only one thing (this is called a variable) is changed.

For example, if testing which material is the most waterproof by pouring liquid onto a selection of different materials, in a fair test only the type of material (the component you are testing) should be changed. Therefore all other elements (the type of liquid used, the amount of liquid used, the distance the liquid is poured from, the speed at which it is poured and the size of the material) must remain the same each time the test is carried out. It would be unfair or an unscientific test if, for example, 1000ml of water were poured onto a piece of foil and 2ml of milk poured onto a piece of foam – you would not be able to fairly compare the materials. 

hope this will help you!!!.....

3 0
2 years ago
Read 2 more answers
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